Consider two mutually exclusive projects A and B Cash Flows (dollars) Co 1 2 Project NPV at 10% -31,500 22,200 22,200 34,500 +$7,029 +8,376 -51,500 34,500 a. Calculate IRRS for A and B. (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) Project IRR A % b. Which project does the IRR rule suggest is best? OProject A OProject B